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Patent Assignment Assignor Details
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Assignor Name : ESCH, HEINZ
Total Assignments: 8
Assignment: 1
Reel/Frame:004307/0444   Pages: 3
Recorded: 10/02/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NAUROTH, PETER
Exec Dt:
04/10/1984
2
ESCH, HEINZ
Exec Dt:
04/24/1984
3
TURK, GUNTER
Exec Dt:
05/14/1984
Assignee
1
DEGUSSA ATIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
6000 FRANKFURT/MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
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4495167
NONE
06438633
Correspondence name and address
CUSHMA, DARBY & CUSHMAN
8TH FLR.
1801 K STREET NW
WASHINGTON, DC 20006
Assignment: 2
Reel/Frame:006090/0758   Pages: 3
Recorded: 04/22/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHOJNOWKI, MARIAN
Exec Dt:
03/30/1992
2
NAGEL, WERNER
Exec Dt:
03/31/1992
3
MEIER, KARL
Exec Dt:
04/01/1992
4
LEONHARDT, WOLFGANG
Exec Dt:
04/06/1992
5
ESCH, HEINZ
Exec Dt:
04/01/1992
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT, A GERMAN CORPORATION
WEISSFRAUENSTRASSE 9
FRANKFURT AM MAIN 1, GERMANY 6000
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5256196
NONE
07808804
Correspondence name and address
CUSHMAN, DARBY & CUSHMAN
1615 L ST., NW, 11TH FL.
WASHINGTON, DC 20036-5601
Assignment: 3
Reel/Frame:007182/0389   Pages: 3
Recorded: 09/20/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ESCH, HEINZ
Exec Dt:
08/03/1994
2
KUHLMANN, ROBERT
Exec Dt:
08/09/1994
3
NEUMUELLER, MATTHIAS
Exec Dt:
07/15/1994
4
OTTO, KARIN
Exec Dt:
07/15/1994
5
RAUSCH, RALF
Exec Dt:
07/29/1994
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5484581
NONE
08285672
Correspondence name and address
BEVERIDGE DEGRANDI ET AL.
ROBERT G. WEILACHER
1850 M ST., NW
SUITE 800
WASHINGTON, DC 20036
Assignment: 4
Reel/Frame:009538/0351   Pages: 3
Recorded: 10/19/1998
Conveyance: "DOCUMENT PREVIOUSLY RECORDED AT REEL 9326, FRAME 0951 CONTAINED ERRORS IN PROPERTY NUMBERS 08319490. DOCUMENT RERECORDED TO CORRECT ERRORS ON STATED REEL".
Assignors
1
ESCH, HEINZ
Exec Dt:
08/17/1994
2
GORL, UDO
Exec Dt:
08/19/1994
3
KUHLMANN, ROBERT
Exec Dt:
08/17/1994
4
RAUSCH, RALF
Exec Dt:
08/18/1994
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MAIN, BUNDESREPUBLIK, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5846506
NONE
08891448
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
KEVIN E. JOYCE
INTELLECTUAL PROPERTY GROUP
1100 NEW YORK AVENUE, N.W.
WASHINGTON, D.C. 20005-3918
Assignment: 5
Reel/Frame:009654/0466   Pages: 2
Recorded: 12/22/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ESCH, HEINZ
Exec Dt:
08/17/1994
2
GORL, UDO
Exec Dt:
08/19/1994
3
KUHLMANN, ROBERT
Exec Dt:
08/17/1994
4
RAUSCH, RALF
Exec Dt:
08/18/1994
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9, 60311 FRANKFURT AM MAIN
BUNDESREPUBLIK DEUTSCHLAND, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5925708
NONE
08893225
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
KEVIN E. JOYCE
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 6
Reel/Frame:008099/0347   Pages: 4
Recorded: 07/29/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GOERL, UDO
Exec Dt:
07/02/1996
2
HUNSCHE, ANDREA
Exec Dt:
07/25/1996
3
KUHLMANN, ROBERT
Exec Dt:
07/22/1996
4
SIRAY, MUSTAFA
Exec Dt:
07/22/1996
5
ESCH, HEINZ
Exec Dt:
07/27/1996
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5705137
NONE
08655035
Correspondence name and address
BEVERIDGE, DEGRANDI, WEILACHER & YOUNG
ROBERT G. WEILACHER
1850 M STREET, N.W., SUITE 800
WASHINGTON, D.C. 20036
Assignment: 7
Reel/Frame:009835/0505   Pages: 3
Recorded: 03/19/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ESCH, HEINZ
Exec Dt:
02/04/1999
2
KUHLMANN, ROBERT
Exec Dt:
01/12/1999
3
NEUMULLER, MATTHIAS
Exec Dt:
01/28/1999
4
OTTO, KARIN
Exec Dt:
01/15/1999
5
RAUSCH, RALF
Exec Dt:
01/21/1999
6
THOMAS, KLAUS-PETER
Exec Dt:
01/21/1999
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
DE-60311 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6214383
NONE
09208453
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
RUTH N. MORDUCH
1100 NEW YORK AVE., NW
NINTH FLOOR, EAST TOWER
WASHINGTON, DC 20005-3918
Assignment: 8
Reel/Frame:012826/0367   Pages: 2
Recorded: 04/23/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ESCH, HEINZ
Exec Dt:
02/18/2002
2
GORL, UDO
Exec Dt:
02/12/2002
3
KUHLMANN, ROBERT
Exec Dt:
02/16/2002
4
RAUSCH, RALF
Exec Dt:
02/12/2002
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DE-40474 DUSSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7071257
US20020169248
09986468
Correspondence name and address
PILLSBURY WINTHROP LLP
MICHAEL A. SANZO
INTELLECTUAL PROPERTY GROUP
1600 TYSONS BOULEVARD
MCLEAN, VA 22102

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